CN208272944U

CN208272944U - A kind of quick triggering and conducting device of electronic switch

Info

Publication number: CN208272944U
Application number: CN201820685340.6U
Authority: CN
Inventors: 王川; 张国勇; 宋安超
Original assignee: ANHUI HUIDIAN TECHNOLOGY Co Ltd
Current assignee: ANHUI HUIDIAN TECHNOLOGY Co Ltd
Priority date: 2018-05-09
Filing date: 2018-05-09
Publication date: 2018-12-21
Anticipated expiration: 2028-05-09

Abstract

The utility model relates to a kind of quick triggering and conducting device of electronic switch, including electronic switch, the first control terminal a of the electronic switch connects one end of transformer T secondary coil, and the second control terminal b of electronic switch connects the other end of secondary transformer；The first output end of the power supply Us is connected with the end of incoming cables of reactor L, the leading-out terminal of reactor L is connected with the anode of diode VD, the cathode of diode VD is connected with the anode of controllable silicon SCR, the cathode of controllable silicon SCR is connected with one end of transformer T primary coil, the other end of transformer T primary coil is connected with the second output terminal of power supply Us, between the cathode of an end Jie diode VD and the anode of controllable silicon SCR of the capacitor C, between another second output terminal for terminating at power supply Us and transformer T primary coil of capacitor C.The utility model has safe and reliable, simple and durable, simple operation and other advantages, by adjusting the output voltage of power supply Us, effectively can quickly trigger electronic switch.

Description

A kind of quick triggering and conducting device of electronic switch

Technical field

The utility model relates to electronic switch triggering and conducting technical field, especially a kind of quick triggering and conducting of electronic switch Device.

Background technique

Electronic switching element is many with its reliable performance, stable voltage output, wider voltage conditioning range etc. Advantage, Electric Traction, electromechanical soft start, in terms of obtain universal utilization.Electronic switching element is normally transported Capable essential condition is the triggering of trigger circuit, and the country relatively mostly uses analog trigger circuit and Digit trigger circuit at present, Wherein, as follows the shortcomings that analog trigger circuit: 1. to be influenced by status all kinds of in power grid；2. it is weaker to trigger effect；3. pulse Controller is easily had a fever；4. triggering the disadvantages such as power is low；And the shortcomings that Digit trigger circuit, is as follows: 1. complying with voltage ripple of power network Ability is poor；2. cost is higher.

Utility model content

The purpose of this utility model is to provide a kind of by adjusting the electric energy stored in capacitor C, effectively can quickly touch The quick triggering and conducting device of electronic switch for the sub switch that generates electricity.

To achieve the above object, the utility model uses a kind of following technical scheme: quick triggering and conducting of electronic switch Transformer T including electronic switch, for converting primary coil voltage and current signal, device is stored up for quick release capacitor C The controllable silicon SCR for the electric energy deposited, for the capacitor C of electric energy necessary to stored electrons switch triggering, for controlling capacitor C The diode VD of the directionality of charging, it charges for the reactor L of limiting capacitance device C charging current and for providing capacitor C The power supply Us of necessary energy, the first control terminal a of the electronic switch connect one end of transformer T secondary coil, electronic cutting The the second control terminal b closed connects the other end of secondary transformer；The first output end of the power supply Us and the inlet wire of reactor L End is connected, and the leading-out terminal of reactor L is connected with the anode of diode VD, the cathode and the anode phase of controllable silicon SCR of diode VD Even, the cathode of controllable silicon SCR is connected with one end of transformer T primary coil, the other end and power supply Us of transformer T primary coil Second output terminal be connected, between the cathode of an end Jie diode VD and the anode of controllable silicon SCR of the capacitor C, electricity Between another second output terminal for terminating at power supply Us and transformer T primary coil of container C.

The controllable silicon SCR controls it by the controller being mounted in control cabinet and cut-offs.

As shown from the above technical solution, the utility model has the following beneficial effects: the utility model has securely and reliably, simply Durable, simple operation and other advantages effectively can quickly trigger electronic switch by adjusting the output voltage of power supply Us.

Detailed description of the invention

Fig. 1 is the electrical schematic diagram of the utility model.

Specific embodiment

As shown in Figure 1, a kind of quick triggering and conducting device of electronic switch, including electronic switch, for converting primary coil The transformer T of voltage and current signal, it is opened for the controllable silicon SCR of the quick release capacitor C electric energy stored, for stored electrons Close the capacitor C of electric energy necessary to triggering, the diode VD for controlling the directionality that capacitor C charges, for limiting electricity Container C charging current and the reactor L for preventing capacitor C from damaging by overcurrent and for provide capacitor C charging necessary to The power supply Us of energy, the first control terminal a of the electronic switch connect one end of transformer T secondary coil, and the second of electronic switch Control terminal b connects the other end of secondary transformer；The first output end of the power supply Us is connected with the end of incoming cables of reactor L, The leading-out terminal of reactor L is connected with the anode of diode VD, and the cathode of diode VD is connected with the anode of controllable silicon SCR, controllably The cathode of silicon SCR is connected with one end of transformer T primary coil, the other end of transformer T primary coil and the second of power supply Us Output end is connected, between the cathode of an end Jie diode VD and the anode of controllable silicon SCR of the capacitor C, capacitor C's Between another second output terminal for terminating at power supply Us and transformer T primary coil.The controllable silicon SCR is by being mounted on control Controller in cabinet controls it and cut-offs.

The working principle of the utility model is as follows: under normal circumstances, power supply Us provides the alternating voltage of variation, due to two poles The directionality of capacitor C charging is effectively ensured, after capacitor C charging complete, by passing through device in pipe VD one-way conduction characteristic In controller control controllable silicon SCR fast conducting, controllable silicon SCR conducting after quick release capacitor C store electric energy, return High frequency oscillation discharge current is formed in road, medium-high frequency concussion discharge current in primary side circuit is converted secondary side electronic switch by transformer T Voltage and current signal required for triggering and conducting, and then trigger electronic switch.

In conclusion the utility model has safe and reliable, simple and durable, simple operation and other advantages, by adjusting power supply The output voltage of Us effectively can quickly trigger electronic switch.

Claims

1. a kind of quick triggering and conducting device of electronic switch, it is characterised in that: including electronic switch, for converting primary coil electricity The transformer T of current voltage signal, it is switched for the controllable silicon SCR of the quick release capacitor C electric energy stored, for stored electrons The capacitor C of electric energy necessary to triggering, the diode VD for controlling the directionality that capacitor C charges, it is used for limiting capacitance The reactor L of device C charging current and for provide capacitor C charge necessary to energy power supply Us, the electronic switch First control terminal a connects one end of transformer T secondary coil, and the second control terminal b of electronic switch connects the another of secondary transformer One end；The first output end of the power supply Us is connected with the end of incoming cables of reactor L, and the leading-out terminal of reactor L is with diode VD's Anode is connected, and the cathode of diode VD is connected with the anode of controllable silicon SCR, the cathode and transformer T primary coil of controllable silicon SCR One end be connected, the other end of transformer T primary coil is connected with the second output terminal of power supply Us, one end of the capacitor C It connects between the cathode of diode VD and the anode of controllable silicon SCR, another second output terminal for terminating at power supply Us of capacitor C Between transformer T primary coil.

2. the quick triggering and conducting device of electronic switch according to claim 1, it is characterised in that: the controllable silicon SCR is logical It crosses the controller being mounted in control cabinet and controls it and cut-off.